01-18-2010, 07:11 PM
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Senior Club Cobra Member
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Join Date: Sep 2000
Location: Holderness, NH, US of A,
NH
Cobra Make, Engine: CSX 4772 old iron FE
Posts: 5,499
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Not Ranked
I was looking really closely at three sets of Billboards I have here. I noticed some variation in concentricity of the tires at the mold centerline. It looked like the mold either had worn alignment pins or that the mold could be put together one way or another with one being slightly out of line.
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